queue2: refactor and add debug
queue2: refactor and add debug

Lachann/gstreamer,centricular/gstreamer,lovebug356/gstreamer,mparis/gstreamer,jpxiong/gstreamer,cfoch/gstreamer,cablelabs/gstreamer,ylatuya/gstreamer,magcius/gstreamer,ensonic/gstreamer,justinjoy/gstreamer,lubosz/gstreamer,drothlis/gstreamer,centricular/gstreamer,collects/gstreamer,centricular/gstreamer,ylatuya/gstreamer,magcius/gstreamer,centricular/gstreamer,StreamUtils/gstreamer,drothlis/gstreamer,jpakkane/gstreamer,drothlis/gstreamer,krieger-od/gstreamer,krieger-od/gstreamer,Lachann/gstreamer,ahmedammar/platform_external_gst_gstreamer,justinjoy/gstreamer,lubosz/gstreamer,cablelabs/gstreamer,mrchapp/gstreamer,Distrotech/gstreamer,cablelabs/gstreamer,surround-io/gstreamer,mrchapp/gstreamer,justinjoy/gstreamer,ylatuya/gstreamer,krichter722/gstreamer,mparis/gstreamer,lubosz/gstreamer,StreamUtils/gstreamer,jpakkane/gstreamer,krichter722/gstreamer,lubosz/gstreamer,collects/gstreamer,cfoch/gstreamer,ensonic/gstreamer,surround-io/gstreamer,jpakkane/gstreamer,mrchapp/gstreamer,ensonic/gstreamer,Lachann/gstreamer,cfoch/gstreamer,Distrotech/gstreamer,shelsonjava/gstreamer,krichter722/gstreamer,krieger-od/gstreamer,mparis/gstreamer,lovebug356/gstreamer,cfoch/gstreamer,surround-io/gstreamer,jpxiong/gstreamer,lovebug356/gstreamer,collects/gstreamer,StreamUtils/gstreamer,collects/gstreamer,magcius/gstreamer,Distrotech/gstreamer,jpxiong/gstreamer,magcius/gstreamer,shelsonjava/gstreamer,lovebug356/gstreamer,StreamUtils/gstreamer,ahmedammar/platform_external_gst_gstreamer,surround-io/gstreamer,Lachann/gstreamer,jpakkane/gstreamer,mrchapp/gstreamer,ahmedammar/platform_external_gst_gstreamer,Lachann/gstreamer,Distrotech/gstreamer,drothlis/gstreamer,krieger-od/gstreamer,centricular/gstreamer,magcius/gstreamer,StreamUtils/gstreamer,cablelabs/gstreamer,collects/gstreamer,krieger-od/gstreamer,lubosz/gstreamer,krichter722/gstreamer,jpxiong/gstreamer,ensonic/gstreamer,ahmedammar/platform_external_gst_gstreamer,mparis/gstreamer,jpakkane/gstreamer,ensonic/gstreamer,justinjoy/gstreamer,ylatuya/gstreamer,shelsonjava/gstreamer,lovebug356/gstreamer,jpxiong/gstreamer,ylatuya/gstreamer,cablelabs/gstreamer,mrchapp/gstreamer,mparis/gstreamer,surround-io/gstreamer,shelsonjava/gstreamer,shelsonjava/gstreamer,Distrotech/gstreamer,drothlis/gstreamer,ahmedammar/platform_external_gst_gstreamer,cfoch/gstreamer,justinjoy/gstreamer,krichter722/gstreamer